Finding the Fourth Proportional to 58,013.42, 80,017.56 and 49,377.54

Step by Step Solution

1. Step 1: Write the proportion equation
   58,013.42 : 80,017.56 = 49,377.54 : x
2. Step 2: Convert to fraction form
   58,013.42/80,017.56 = 49,377.54/x
3. Step 3: Cross multiply
   58,013.42x = 80,017.56 × 49,377.54
4. Step 4: Simplify right side
   58,013.42x = 3,951,070,269.60
5. Step 5: Solve for x
   x = 3,951,070,269.60/58,013.42
6. Step 6: Final answer
   x = 68,106.14